For the first time ever, the excited states of three beauty mesons are fully reconstructed and their masses are measured directly, using data from the CMS experiment. The existence of the excited B meson states, B*+, B*0, and B*0s(also known as vect…

CMS has officially inaugurated its new control room in Cessy, France. Guests from CERN management and all the LHC experiments were invited to celebrate this significant upgrade to CMS’ operational infrastructure. The event took place on the 15th of M…

  The CMS Collaboration announced 14 new results for LHCP 2025. In top quark physics, CMS presents the first observation of production of a single top quark in association with a W and a Z boson. This was accomplished using 200 fb-1 of data coll…